next-it.pt has an A (IPv4) record (62.48.220.98) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
A timeout was experienced while communicating with next-it.pt/62.48.220.98: Get "http://next-it.pt/.well-known/acme-challenge/letsdebug-test": dial tcp 62.48.220.98:80: i/o timeout
Trace:
@0ms: Making a request to http://next-it.pt/.well-known/acme-challenge/letsdebug-test (using initial IP 62.48.220.98)
@0ms: Dialing 62.48.220.98
@10001ms: Experienced error: dial tcp 62.48.220.98:80: i/o timeout
A test authorization for next-it.pt to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
62.48.220.98: Fetching http://next-it.pt/.well-known/acme-challenge/OYtKDFYP3O97qxmtJf98ritCJcDSMv32StZoB2kf_AA: Timeout during connect (likely firewall problem)